package mao.leetcode.array.leetcode73;

public class Solution {

    public void setZeroes(int[][] matrix) {
        boolean isCol = false;
        for (int i = 0; i < matrix.length; i++) {
            for (int j = 0; j < matrix[0].length; j++) {
                if (matrix[i][j] == 0){
                    matrix[i][0] = 0;
                    if (j != 0)
                        matrix[0][j] = 0;
                    else
                        isCol = true;
                }
            }
        }

        for (int i = 1; i < matrix.length; i++) {
            for (int j = 1; j < matrix[0].length; j++) {
                if (matrix[i][0] == 0 || matrix[0][j] == 0)
                    matrix[i][j]=0;
            }
        }
        if (matrix[0][0] == 0)
            for (int i = 0; i < matrix[0].length; i++) {
                matrix[0][i]=0;
            }
        if (isCol)
            for (int i = 0; i < matrix.length; i++) {
                matrix[i][0] = 0;
            }
    }
}
